Re: Atomic breakage?

[Garrett Wollman]

<<On Wed, 17 Jan 2001 10:28:03 -0800 (PST), John Baldwin <[EMAIL PROTECTED]> said:

> person was referring to:  on Pentiums with stepping < 0xc, a cmpxchg8b that
> crosses a page boundary triggers an illegel opcode fault rather than a page
> fault if the second page is missing.

This is (part of) the famous `F00F bug'.

-GAWollman



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